[U-Boot] [PATCH v2 0/3] add support for the at91 based smartweb board

[Heiko Schocher]

add support for the at91sam9260 based board smartweb from
siemens. SPL is used without serial support, as this
SoC has only 4k sram for running SPL. Here a U-Boot
bootlog:

RomBOOT
>

U-Boot 2015.07-rc2-00109-g4ae828c (Jun 15 2015 - 09:31:16 +0200)

CPU: AT91SAM9260
Crystal frequency:   18.432 MHz
CPU clock        :  198.656 MHz
Master clock     :   99.328 MHz
       Watchdog enabled
DRAM:  64 MiB
WARNING: Caches not enabled
NAND:  256 MiB
In:    serial
Out:   serial
Err:   serial
Net:   macb0
Hit any key to stop autoboot:  0
U-Boot>

As this board is based on sam9260 SoC with 4k sram only, SPL
must be small, so SPL is compiled without serial support.
Therefore the code needs here and there some small fixes to
support SPL compile without serial support.

Changes in v2:
- add comment from Tom Rini:
  - do not delete __maybe_unused
  - remove preloader_console_init() in non SERIAL case
- squashed patch "lib/display_options: fix compiler warnings"
  into this patch.
- add Acked-by from Scott Wood
- rebase to 7853d76b0bdab9b

Heiko Schocher (3):
  spl, common, serial: build SPL without serial support
  nand, atmel: remove udelay in spl_nand_erase_one()
  arm, at91: support for sam9260 based smwartweb board

 arch/arm/include/asm/mach-types.h  |   1 +
 arch/arm/lib/interrupts.c          |   4 +-
 arch/arm/mach-at91/Kconfig         |   6 +
 arch/arm/mach-at91/Makefile        |   1 +
 arch/arm/mach-at91/arm926ejs/cpu.c |   2 +-
 arch/arm/mach-at91/spl_at91.c      |   3 +
 board/siemens/smartweb/Kconfig     |  12 ++
 board/siemens/smartweb/MAINTAINERS |   6 +
 board/siemens/smartweb/Makefile    |  20 +++
 board/siemens/smartweb/smartweb.c  | 220 ++++++++++++++++++++++++++++
 common/Makefile                    |   4 +
 common/cli_readline.c              |   2 +-
 common/cli_simple.c                |   2 +-
 common/image.c                     |   8 +-
 configs/smartweb_defconfig         |   6 +
 drivers/mtd/nand/atmel_nand.c      |   2 -
 include/common.h                   |   7 +
 include/configs/apf27.h            |   1 +
 include/configs/mx31pdk.h          |   1 +
 include/configs/mxs.h              |   1 +
 include/configs/smartweb.h         | 289 +++++++++++++++++++++++++++++++++++++
 include/configs/tx25.h             |   1 +
 lib/display_options.c              |  13 +-
 23 files changed, 600 insertions(+), 12 deletions(-)
 create mode 100644 board/siemens/smartweb/Kconfig
 create mode 100644 board/siemens/smartweb/MAINTAINERS
 create mode 100644 board/siemens/smartweb/Makefile
 create mode 100644 board/siemens/smartweb/smartweb.c
 create mode 100644 configs/smartweb_defconfig
 create mode 100644 include/configs/smartweb.h

-- 
2.1.0